Home / 814,454.65-1,123,947.56-451,877.64

Finding the Fourth Proportional to 814,454.65, 1,123,947.56 and 451,877.64

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Solution

The fourth proportional to 814,454.65, 1,123,947.56 and 451,877.64 is: 623,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,454.65 : 1,123,947.56 = 451,877.64 : x
  2. Step 2: Convert to fraction form
    814,454.65/1,123,947.56 = 451,877.64/x
  3. Step 3: Cross multiply
    814,454.65x = 1,123,947.56 × 451,877.64
  4. Step 4: Simplify right side
    814,454.65x = 507,886,770,896.56
  5. Step 5: Solve for x
    x = 507,886,770,896.56/814,454.65
  6. Step 6: Final answer
    x = 623,591.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.